Question

Simplifique a expressão:

a) 9
b) 0
c)1
d) 2​

Answer 1

c)

4,5·10⁸ × 2·10-⁶ / 0,007·10⁵+2000·10-¹

4,5·10⁸ × 2·10-⁶ / 7·10-³·10⁵+2·10³·10-¹

9,0 ·10² / 7·10²+2·10²

900/700+200

900/900 = 1